Enter a clue or pattern or both:
The Clue
Cave men, of sorts (10 letter answer)
The Answer
SPELUNKERS
Tags
Notes
The answer SPELUNKERS is so rare that it appears less than once every 2500 puzzles.
Definition
SPELUNKER as a noun:
1. (potholer, spelunker, speleologist, spelaeologist) = a person who explores caves